FryPDF

Built with .NET 10, Avalonia UI, QuestPDF, SkiaSharp & Modular Microkernel Plugins.

✨ Features

🧩 Modular Plugin System — Microkernel architecture where tools, ribbons, sidebars, and canvas elements are dynamic, extensible plugins. Supports third-party .fryplugin packages.
📕 Dedicated Reader Mode — Continuous scroll, book spreads, page thumbnails, TOC bookmarks, search, and annotation highlights/stamps.
📖 PDF Deconstruction Engine — Ingest and convert existing PDFs into editable vector canvas elements with layered Z-index ordering.
📝 AcroForms & Signatures — Interactive form fields with formula recalculation, plus freehand and cursive vector signatures.
📊 Vector Charts & Math — 13+ dynamic vector chart varieties and LaTeX mathematical formula typesetting.
🤖 Offline AI & Local OCR — On-device LLM assistant (Ollama) and local Tesseract OCR text extraction without cloud uploads.
🛠️ 32 Dedicated PDF Tools — Complete offline toolset for merging, splitting, compressing, watermarking, redacting, and converting.

Prerequisite: .NET 10 SDK

# Build
dotnet build

# Test
dotnet test

# Run
./run
# or: dotnet run --project src/PdfEditorApp

macOS: FryPDF.app / .dmg (Apple Silicon & Intel) via Releases. Run xattr -dr com.apple.quarantine /Applications/FryPDF.app if prompted by Gatekeeper.
Windows: Microsoft Store App, Inno Setup installer (FryPDF-Setup.exe), or MSIX package.
Linux: Portable .tar.gz and AppImage.